Category Archive: Blog

Blog Short-notes Articles

Sep 23

Angular 2 : Code Example on Github

GitHub url for simple Angular 2 Code example: https://github.com/sayedjustetc/angular-demo1 The code here reflects the code at: https://www.tutorialspoint.com/angular2/angular2_quick_guide.htm (code upto CRUD operation will be here) You can use “git clone https://github.com/sayedjustetc/angular-demo1” to download the code and test. But use git init to make it a git repository so that you can browse through commits and check …

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Sep 22

Taking Angular 2 Quiz – 2

Sep 22

Taking a Quiz on Angular 2

Sep 19

CDN Networks

Nowadays, there are more and more CDN providers, but here is a quick list of the top 12: Akamai. Akamai is known globally to speed up networks and connections. … MaxCDN. MaxCDN was founded in 2009 and is based in Los Angeles, California. … Incapsula. … Rackspace. … Cloudflare. … Amazon’s AWS. … EdgeCast/Verizon. … …

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Sep 19

POLYPOLY – CMS : A Java Based CMS used by Reputed Corporations

The Product URL: http://www.atex.com/products/dm-polopoly Check our other articles on CMS: http://sitestree.com/?s=CMS   What is PolyPoly “A modular full-stack Web CMS for fast multi-channel publishing! Manage all of your online properties across all channels from one browser based UI. Polopoly covers everything from sophisticated content management to managing sites and navigation.”   List of Customers: http://www.atex.com/customers   Features: …

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Sep 17

Spring AOP Example Code: Aspect Oriented Programming

Check other Spring short-notes For AOP example, use Eclipse IDE. Steps as below   Create a maven project using linux maven (i.e. mvn) commands and then at one point import that project to Eclipse (mvn package command might help) Or Create a Java Project in Eclipse (if you start with a Java Project, you will …

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Sep 15

Annotation Based Dependency Injection in Spring: Pretty Simple Java Code:

First, check the simple examples on creating Spring Applications   One Simple Spring Application   Pretty Simple Spring Application with Annotation Based Configurations   Then use the following code MainApp.java package com.justetc; import org.springframework.context.ApplicationContext; import org.springframework.context.annotation.*; public class MainApp {    public static void main(String[] args) {       ApplicationContext ctx = new AnnotationConfigApplicationContext(TextEditorConfig.class); …

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Sep 15

Pretty Simple Spring Application with Annotation Based Configurations

You can check the XML based configuration example at: http://sitestree.com/one-simple-spring-application/ [you can copy the code in Eclipse IDE and use the Source->Format option to properly format the code] For this example, Annotation based configuration will be used. i.e. we will create a .java for the Bean configuration. We will use @Configuration and @Bean annotations. The Main …

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Sep 15

One Simple Spring Application

Did I try this on my own? Yes, I did. the code works.   1. Create a Java Project in Eclipse IDE named HelloSpring 2. Download Spring Framework and Commons Logging. Commons Logging: https://commons.apache.org/proper/commons-logging/download_logging.cgi Spring Framework: https://repo.spring.io/release/org/springframework/spring unzip these libraries. 3. Right click project name and select properties then go to Libraries tab 4. From …

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Sep 04

Drupal 8’s improvements

“Drupal 8’s improvements include: Simplified content authoring experience API-driven content approach Rest-first native web services Seamless integration with existing technologies Multilingual features and capabilities Responsive by nature and mobile-first Revised and updated for Drupal 8.2, as of October, 2016.”   Reference: Drupal 8 Features     Download the guide from: Drupal Best Practices   “Drupal is …

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Sep 04

PHP Technologies similar to Java Spring: Comparisons as Well

“Symfony2, introduced in 2011 after 2 years of active community development, took a lot of inspiration from Spring Framework, maybe the most popular Java framework out there.” https://ez.no/Blog/Why-PHP-and-Symfony-and-not-Java   “We are often asked, especially from our enterprise customers at financial institutions, why we decided to go with PHP and Symfony instead of a Java framework. …

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Sep 03

WordPress: How to: Simple Plugin: Step By Step

 Create a folder with the name of your plugins under /wp-content/plugins/  such as /wp-content/plugins/my-simple-plugin folder Create a php file under your plugin directory with the name of your plugins such as my-simple-plugin.php i.e /wp-content/plugins/my-simple-plugin/my-simple-plugin.php On this file, you can provide some information about your plugin; yes in a comment section, usually at the top of the file sample …

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Aug 29

Presentations on DevOps

Presentations about DevOps  40:57 MobileIoT for Big Machinesby Jayant Thomas Posted on Aug 19, 2017 37:57 DevOpsServerless Security and Things That Go Bump in the Nightby Erik Peterson Posted on Aug 16, 2017 45:30 JavaFearless AWS Lambdasby John Chapin Posted on Aug 15, 2017 30:44 DevOpsDistributed Scheduler Hellby Matthew Campbell Posted on Aug 12, 2017 33:00 DevOpsManaging Thousands of Data Services @Herokuby Gabriel Enslein Posted on …

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Aug 29

DevOps News at InfoQ

News about DevOps  DevOpsChoose Your Own Adventure: Chaos Engineering at QCon New York 2017by Pierre-Luc Maheu Posted on Aug 22, 2017   DevOpsContainers to Overtake VMs in Application Platform Space, Says SDxCentral Surveyby Hrishikesh Barua Posted on Aug 21, 2017 2 Architecture & DesignDistributed Schedulers with Microservice Architecturesby Andrew Morgan Posted on Aug 19, 2017   DevOpsDocker Enterprise Edition 17.06 Released with Support …

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Aug 29

DevOps on InfoQ

Articles about DevOps  JavaCost Reduction Strategies on Java Cloud Hosting Servicesby Ruslan Synytsky Posted on Aug 29, 2017 JavaAutomated Journey Testing with Cascadeby Robin de Villiers Posted on Aug 15, 2017 DevelopmentKey Takeaway Points and Lessons Learned from QCon New York 2017by Abel Avram Posted on Aug 08, 2017 DevOpsDevOps Enterprise Adoption at CSG International with Erica Morrisonby Manuel Pais Posted on Jul 31, …

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Aug 29

Java EE Technologies

For example, all of these are Java EE technologies: Web Services (JAX-RS/JAX-WS) JSP/JSF/Facelets Servlets JPA (Hibernate/EclipseLink) CDI Bean Validation JavaMail WebSockets JMS JTA EJB Containers (Tomcat/Jetty/WebSphere/WebLogic/GlassFish/Payara/TomEE) Reference: https://javaee-guardians.io/

Aug 29

Install Apache Tomcat 9 on MacOs

Download the .tar.gz binary under the section core from: http://tomcat.apache.org/download-90.cgi And the commands that I executed (I know , you are smart, so not explaining) java -version echo $JAVA_HOME cd ~/Downloads/ tar xvf apache-tomcat-9.0.0.M26.tar.gz mv apache-tomcat-9.0.0.M26 tomcat9 cd tomcat9/ cd bin/ sh startup.sh [will start Tomact, go to http://localhost:8080 on your browser] sudo mkdir -p …

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Aug 26

BiGDump

If you are having issues to import large SQL files, one possible solution is BiGDump script. However, accessing the server through ssh and using mysql command to import/restore will work as well (and the better solution). I just tried BigDump – it worked pretty well for me. The idea is simple:

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Aug 25

Drupal vs WordPress

6 Reasons to use Drupal vs WordPress https://thoughts.duoconsulting.com/blog/5-more-reasons-to-use-drupal-vs-wordpress WordPress or Drupal? https://cheekymonkeymedia.ca/services/wordpress-vs-drupal Compare Top 3 CMS (2017): WordPress vs. Joomla vs. Drupal Compare Top 3 CMS (2017): WordPress vs. Joomla vs. Drupal

Aug 25

PHP Reporting Tools

PHP Reporting Tools: PHP Report Maker: http://alternativeto.net/software/php-report-maker/ Reportico: https://sourceforge.net/projects/reportico/ There are also various packages you could use as well, like Pentaho | Data Integration and Business Analytics Platform for Big Data Deployments or Business Intelligence Software and Data Analytics You could also custom make reports with sql and charting tools like PHPlot: Dynamic Charts or …

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Aug 20

Big Data and WordPress (PHP Based CMS)

Big Data and WordPress (PHP Based CMS)   Big-data plugins for WordPress https://wordpress.org/plugins/search/big-data-analytics/  

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Aug 20

Big Data and Drupal (PHP based CMS)

Big Data and Drupal (PHP based CMS)   Examples of Using Drupal for Big Data Projects https://www.acquia.com/examples-big-data-projects  

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Aug 19

Skills for Current Java Focused Jobs

Strong object-oriented analysis, design, and programming experience Core Java

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Aug 19

Why and How To: Grunt and Gulp

Why and How To: Grunt and Gulp The following articles will give you a very good overview on Grunt and Gulp. Grunt and Gulp are package managers for front end development. npm (node package managers is another alternative, some prefer to stick to npm than using grunt and gulp). Grunt and gulp also needs npm. …

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Aug 19

.Net Package Managers

What is NuGet? NuGet is the package manager for .NET. The NuGet client tools provide the ability to produce and consume packages. The NuGet Gallery is the central package repository used by all package authors and consumers.

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Aug 17

Has August become the Most Volatile month?

Historically, September was the most volatile month (for the Stock Market in the North America). However, this August, 2017 also seems pretty volatile. Does all credit goes to Mr. Trump? or this is the regular summer time sell off? Apparently, this is for both (gut feeling and as I understand and as I see on …

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Aug 13

Issues and solutions for moving WordPress based applications from one hosting to another

Just moving the Training and Education site http://SitesTree.com to a different hosting i.e. from a reseller hosting to a Cloud Hosting (no, it is not AWS or Azure or Bluemix cloud, just the as usual cloud hosting provided by some regular hosting provider. ) . Just two cents on how this moving (WordPress) can be done.

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Aug 06

Step by Step Python and Django Installation

Step by Step Python and Django Installation Check the video below. Also, search for related short notes on this site  

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Aug 05

Installing Python, Django with/without Virtual Env on MacOS

Installing Python, Django with/without Virtual Env on MacOS Follow the steps below Python or Python3 – just to check if Python is already there. If Python is not there, install Homebrew that will help to install Python.  

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Aug 04

My ETFs of Interest : Ups and Downs: Mostly up

    Ticker $ Current Price $ Change % Change  Country VUN 43.60 0.31 0.72  US XUS 39.09 0.27 0.70  US XEC 26.09 0.27 1.05  Emerging XUU 24.11 0.17 0.71  US Big + Small Cap XEF 29.37 0.15 0.51  Europe VCE 32.34 0.14 0.43  Canada VCN 30.87 0.13 0.42  Canada XIU 22.69 0.11 0.49  Canada …

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